Question

Diameter of circle whose radius is 'r' is

Answer 1

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It’s 2r

Answer 2

Heya!

Given: Length of the Radius = r

So, According to the formula,

Diameter = Twice of Radius or Radius × 2

Thus, Diameter  = r × 2
                           =2r

∴Diameter of circle whose radius is 'r' is 2r

Hope it helps
@PoojaBBSR